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Thanks for the Memories!

Thanks for the Memories!. Gabby Feltner and Caroline Vierod. Background. Elizabeth Loftus- Memory Research at University of Washington Memories are reconstructions of an actual event Presupposition: “A condition that must be true in order for the question to make sense ”. Experiment 1 .

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Thanks for the Memories!

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  1. Thanks for the Memories! Gabby Feltner and Caroline Vierod

  2. Background • Elizabeth Loftus- Memory Research at University of Washington • Memories are reconstructions of an actual event • Presupposition: “A condition that must be true in order for the question to make sense”

  3. Experiment 1 • 150 students • Video of 5 car chain-reaction accident • Question 1: “How fast was car A going when it ran the stop sign?” • Question 2: “How fast was the car going when it turned right?” • Both asked “Did you see a stop sign for car A?” • 40 subjects (53%)with question 1 • 26 subjects (25%) with question 2

  4. Experiment 2 • 40 subjects • Video of 8 demonstrators disrupting a class • Question 1: “Was the leader of the 4 demonstrators male?” • Question 2: “Was the leader of the 12 demonstrators male?” • “How many demonstrators did you see entering the classroom?” • Average of 6.40 demonstrators (Q1) • Average of 8.85 demonstrators (Q2)

  5. Experiment 3 • 150 students • Video of a car speeding down a country road • Question 1: “How fast was the white sports car going when it passed the barn while traveling along the country road?” Question 2: “How fast was the white sports car going while traveling along the country road?” • New question: “Did you see a barn?” • 13 students (17.3%) with question 1 • 2 students (2.7%) with question 2

  6. Experiment 4 • 50 subjects • Video of a car hitting a baby carriage • Group D: Direct question group, 40 filler questions, 5 key questions about non-existent objects • Group F: False Presupposition group, same questions that contained presuppositions about same non-existent objects • Group C: Control group, only 40 filler questions • One week later, 20 new questions, 5 same key questions

  7. Conclusion • Memories are not accurate • Recent Applications: -Eyewitness testimonies not reliable -Loftus new focus on repressed memories • Controversy: Subjects mostly university students

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